Three/ Single Phase Chain Pulley Block is available in screw and friction disc type self actuating design. The Chain Pulley Block has a control panel unit that is totally enclosed to protect from weather and offers an output at 24 Volts to the operational control station. The Chain Pulley Block is designed with a capacity range of 4.0 Ton. Three/ Single Phase Chain Pulley Block comes in an overall dimension of 750 mm X 590 mm X 390 mm.